tudorels

Group Array of JavaScript Objects by Key or Property Value

Implementation

const groupBy = key => array =>
  array.reduce((objectsByKeyValue, obj) => {
    const value = obj[key];
    objectsByKeyValue[value] = (objectsByKeyValue[value] || []).concat(obj);
    return objectsByKeyValue;

Group array of JavaScript objects by keys

This fork of JamieMason's implementation changes the key parameter to be an array of keys instead of just a single key. This makes it possible to group by multiple properties instead of just one.

Implementation

const groupBy = keys => array =>
  array.reduce((objectsByKeyValue, obj) => {
    const value = keys.map(key => obj[key]).join('-');

	-- Must connect to SQL Server using the Dedicate Admin Connection, eg "admin:localhost". Verified with SQL Server 2012.
	-- Originally from Williams Orellana's blog: http://williamsorellana.org/2012/02/decrypt-sql-stored-procedures/

	DECLARE @ObjectOwnerOrSchema NVARCHAR(128)
	DECLARE @ObjectName NVARCHAR(128)

	SET @ObjectOwnerOrSchema = 'dbo'
	SET @ObjectName = 'PROCEDURE NAME HERE'

	DECLARE @i INT

	package main

	import(
	"log"
	"net/url"
	"net/http"
	"net/http/httputil"
	)

	func main() {

	<!DOCTYPE html>
	<html>
	<head>
	<title>Paste Image</title>
	<script type="text/javascript">
	var imageObj = new Image();
	window.onload = function() {
	document.getElementById("pasteTarget").
	addEventListener("paste", handlePaste);
	var canvas = document.getElementById('canvasTarget');

	DECLARE @Object AS INT;
	DECLARE @ResponseText AS VARCHAR(8000);
	DECLARE @Body AS VARCHAR(8000) =
	'{
	"what": 1,
	"ever": "you",
	"need": "to send as the body"
	}'

	EXEC sp_OACreate 'MSXML2.XMLHTTP', @Object OUT;

	Section "Device"
	Identifier "Intel Graphics"
	Driver "intel"
	Option "TearFree" "true"
	Option "DRI" "3"
	Option "AccelMethod" "uxa"
	#Option "AccelMethod" "sna"
	EndSection

	package main

	import (
	"fmt"
	"log"
	"strings"

	"github.com/PuerkitoBio/goquery"
	)

	<template>
	<q-page class="flex flex-center">
	<div>
	<svg id="svg" width="300" height="300"></svg>
	</div>
	<svg width="0" height="0">
	<pattern
	id="pattern"
	patternUnits="userSpaceOnUse"
	x="0"